Hello,
I see you are asking "What are the causes for keratosis pilaris (kp)?"
Keratosis pilaris develops when keratin forms a scaly plug that blocks the opening of the hair follicle. Usually plugs form in many hair follicles, causing patches of rough, bumpy skin. Keratosis pilaris is caused by the buildup of keratin — a hard protein that protects skin from harmful substances and infection.
For more information, you can visit this URL -
skincarehealthcenter. com/condition/keratosis-pilaris-%28kp%29/c/23864